---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-7-278556ff881c> in <module>()
      1 path = '/work/Julius.Busecke/CM2.6_staged/CM2.6_A_V03_1PctTo2X/annual_averages'
----> 2 ds_ocean = xr.open_mfdataset(os.path.join(path,'ocean.*.ann.nc'), chunks={'time':1}, decode_times=False, engine='scipy')
      3 ds_ocean

~/code/miniconda/envs/standard/lib/python3.6/site-packages/xarray/backends/api.py in open_mfdataset(paths, chunks, concat_dim, compat, preprocess, engine, lock, **kwargs)
    503         lock = _default_lock(paths[0], engine)
    504     datasets = [open_dataset(p, engine=engine, chunks=chunks or {}, lock=lock,
--> 505                              **kwargs) for p in paths]
    506     file_objs = [ds._file_obj for ds in datasets]
    507 

~/code/miniconda/envs/standard/lib/python3.6/site-packages/xarray/backends/api.py in <listcomp>(.0)
    503         lock = _default_lock(paths[0], engine)
    504     datasets = [open_dataset(p, engine=engine, chunks=chunks or {}, lock=lock,
--> 505                              **kwargs) for p in paths]
    506     file_objs = [ds._file_obj for ds in datasets]
    507 

~/code/miniconda/envs/standard/lib/python3.6/site-packages/xarray/backends/api.py in open_dataset(filename_or_obj, group, decode_cf, mask_and_scale, decode_times, autoclose, concat_characters, decode_coords, engine, chunks, lock, cache, drop_variables)
    283         elif engine == 'scipy':
    284             store = backends.ScipyDataStore(filename_or_obj,
--> 285                                             autoclose=autoclose)
    286         elif engine == 'pydap':
    287             store = backends.PydapDataStore(filename_or_obj)

~/code/miniconda/envs/standard/lib/python3.6/site-packages/xarray/backends/scipy_.py in __init__(self, filename_or_obj, mode, format, group, writer, mmap, autoclose)
    133                                    filename=filename_or_obj,
    134                                    mode=mode, mmap=mmap, version=version)
--> 135         self.ds = opener()
    136         self._autoclose = autoclose
    137         self._isopen = True

~/code/miniconda/envs/standard/lib/python3.6/site-packages/xarray/backends/scipy_.py in _open_scipy_netcdf(filename, mode, mmap, version)
     81     try:
     82         return scipy.io.netcdf_file(filename, mode=mode, mmap=mmap,
---> 83                                     version=version)
     84     except TypeError as e:  # netcdf3 message is obscure in this case
     85         errmsg = e.args[0]

~/code/miniconda/envs/standard/lib/python3.6/site-packages/scipy/io/netcdf.py in __init__(self, filename, mode, mmap, version, maskandscale)
    264 
    265         if mode in 'ra':
--> 266             self._read()
    267 
    268     def __setattr__(self, attr, value):

~/code/miniconda/envs/standard/lib/python3.6/site-packages/scipy/io/netcdf.py in _read(self)
    591         self._read_dim_array()
    592         self._read_gatt_array()
--> 593         self._read_var_array()
    594 
    595     def _read_numrecs(self):

~/code/miniconda/envs/standard/lib/python3.6/site-packages/scipy/io/netcdf.py in _read_var_array(self)
    696             # Build rec array.
    697             if self.use_mmap:
--> 698                 rec_array = self._mm_buf[begin:begin+self._recs*self._recsize].view(dtype=dtypes)
    699                 rec_array.shape = (self._recs,)
    700             else:

ValueError: new type not compatible with array.

$ conda list hdf
# packages in environment at /home/Julius.Busecke/code/miniconda/envs/standard:
#
hdf4                      4.2.12                        0    conda-forge
hdf5                      1.8.18                        1    conda-forge

$ conda list netcdf
# packages in environment at /home/Julius.Busecke/code/miniconda/envs/standard:
#
h5netcdf                  0.4.2                      py_0    conda-forge
libnetcdf                 4.4.1.1                       6    conda-forge
netcdf4                   1.3.0                    py36_0    conda-forge